I have two young children who use this player and I suspect the lens is dirty but I'm not certain. Any suggestions as to how to get at and clean the lens or check for other possible solutions?
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Does this happen with any disc or a disc? Playing a contaminated disc can cause heads to get dirty causing above results. Make sure discs are clean when inserted. (Young children can handle discs improperly and get fingerprints and other stuff on discs, resulting in dirty DVD heads) Purchase and use a DVD head cleaning disc. May have to use it a few times initially. Then make sure disc is clean before inserting. Wiping gently with paper towel dampened with water or vodka generally works to remove contaminants. Wipe only the bottom, not the top until it appears shiny.
Check the disc you're using for scratches and dirt. If the disc is damaged it won't play properly, regardless of the CD player's ability to function. You can use a CD repair device like the "Disc Doctor" to repair the CD or purchase a new CD.
Clean the laser lens with a CD laser lens cleaning disc. CD laser lens cleaning discs can be purchased at most electronics retailers or online. Insert the laser lens cleaning disc and follow the instructions.
Insert a correctly-formatted, undamaged disc into your player. Listen to see if it begins to read the disc. If it continues to make no sound and gives you the same message, then the problem is probably that your disc is not spinning in the device.
Clean the lens while the DVD player is open. A dirty lens is most likely the cause of your no-disc error. The lens should be cleaned with isopropyl alcohol and a cotton swab.
The reason the player is not reading the disc and showing no disc is either because the disc is not sitting properly on the lens from the disc tray, or the lens is weak or the lens is dirty.
To test if it is the disc tray, open the cover of the player with the appropriate screwdriver, place a disc directly on the tray and apply a little pressure on the tray, if it reads the disc, then it is the tray.
All you have to do is to adjust the disc tray and screw it tightly.
To test if the lens is weak, try several DVD disc on it,and test them also on another tested ok player, if it does not work on your player and works on other players, then the lens is weak.
to fix this, get the appropriate screwdriver, open the cover and unscrew the disc tray.
You will gain access to the lens, carefully disconnect the lens and replace it with a new lens. then it will be ok.
To test if it is just that the lens is dirty, clean the lens with a lens cleaner and test a DVD to see if it will work.
the lens on the optical pickup is dirty and needs cleaning. they sell a lens cleaner disk at any electronics store. you also might want to blow any dust out of the unit with canned air to prevent it from happening again.